2 recent sales. However, one can most likely not be used.

Sale #1:

Clean Burning Bubble Pipe (550k) + Clean Sunbeams Brainiac (624k) + Duped Burning Fuka (70) + Sweets (White painted Uncraftable Spine-Chilling Skull (3k) + Black painted Uncraftable Spine-Chilling Skull (3k) + Orange painted Craftable Spine-Chilling Skull (2.5k) [Bptf price for hat + around 40% paint)

for Clean Orb Fire Coffin Kit (X) + Clean Burning Flamenco (192) - http://prntscr.com/79gyca

1252 – 192 = X

X = 1060, no overpay needed as he offered on http://www.tf2outpost.com/trade/25965039#latest

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Duped Burning Fuka: Cant trace any duped sales, but had an collecting offer of 70 keys pure on my trade http://www.tf2outpost.com/trade/25965039#latest

– 70 seems fine for a duped one considering the clean ones got priced at 83 Keys recently.

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Sale #2 (most likely cant be used since it involved 2 hats with uncertain value)

http://backpack.tf/vote/id/553736f0ba8d88e83b8b535b - refer to aaroncsns comment.

Sale 2 would theoretically end up close to sale 1 at 1060 too, that's why its probably better to settle at the flat price of 1060. It represents the latest sale as well.

Support / Criticism / additional proof appreciated.